package org.gdsdxy.pmmp.service;

import java.util.List;

import org.gdsdxy.pmmp.entity.Friend;

public interface IFriendService {
	public List<Friend> getFriendsById(int userId,String ensure);
	
	public void modify(Friend f);
	
	public void add(Friend f);
	
	public void remove(Friend f);
	
	public Friend get(Integer id);
}
